A second tube, the ductulus aberrans superior, occurs in the head of the epididymis; it is connected with the rete testis.    From Wordnik.com.  [XI. Splanchnology. 3c. 2. The Ductus Deferens] Reference

—A long narrow tube, the ductulus aberrans inferior (vas aberrans of Haller), is occasionally found connected with the lower part of the canal of the epididymis, or with the commencement of the ductus deferens.    From Wordnik.com.  [XI. Splanchnology. 3c. 2. The Ductus Deferens] Reference